qcacmn: move API for getting ML vdev list out of WLAN_MLO_MULTI_CHIP

mlo_get_ml_vdev_list() is a common API, it should not be
embraced by macro WLAN_MLO_MULTI_CHIP.

Change-Id: Icf22de20fdeca374d674109d10b4887b833fa346
CRs-Fixed: 3073916

umac/mlo_mgr/src/wlan_mlo_mgr_cmn.c

@@ -297,6 +297,7 @@ wlan_mlo_get_pdev_by_hw_link_id(uint16_t hw_link_id,
 
 	return itr.pdev;
 }
+#endif /*WLAN_MLO_MULTI_CHIP*/
 
 void mlo_get_ml_vdev_list(struct wlan_objmgr_vdev *vdev,
 			  uint16_t *vdev_count,
@@ -332,4 +333,3 @@ void mlo_get_ml_vdev_list(struct wlan_objmgr_vdev *vdev,
 	}
 	mlo_dev_lock_release(dev_ctx);
 }
-#endif /*WLAN_MLO_MULTI_CHIP*/